now those refeignrys are coming back online and sunday governor jerry brown called for an early transition to the winter blend of gas refiners have stockpiled for cold months. it's more polluting, but it's more plentiful says energy analyst dave hackett. >> it will raise gasoline production upwards of 10%. so it's liked aing another refinery. >> reporter: he says the fever at the pump has been broken and prices will fall soon. >> it will be lower tomorrow than it is today. wait it out because it's coming down. >> reporter: scott, history shows prices rarely fall as fast as they go up. they should be back where they were before the spike in about a month. >> pelley: warm and sunny there, bill, but a lot of the country is getting a preview of winter. early morning temperatures plunged into the 40s, 30s, even the 20s in some places. 181 cold-weather records have fallen since friday. this morning in dallas/fort worth the mercury dipped to 39. in abilene, texas, 34, and in oklahoma city 31. down right freezing. an experimental drug shows promise in the fight against alzehimer's disease. that's